package com.zzzyh.bookbackgroundsystem.mapper;

import com.zzzyh.bookbackgroundsystem.pojo.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

@Mapper
public interface UserMapper {
    @Select("SELECT * FROM `user_info` WHERE `user_name`=#{userName}")
    User getUserByUsetName(String userName);
}